{"id":129137,"date":"2024-10-26T19:21:18","date_gmt":"2024-10-26T11:21:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129137\/"},"modified":"2024-10-26T19:21:19","modified_gmt":"2024-10-26T11:21:19","slug":"redis%e4%bd%bf%e7%94%a8%e9%8e%96%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8%e6%80%a7%e5%97%8e%ef%bc%88redis-%e9%9c%80%e8%a6%81%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129137\/","title":{"rendered":"Redis\u4f7f\u7528\u9396\u63d0\u9ad8\u6578\u64da\u5b89\u5168\u6027\u55ce\uff08redis \u9700\u8981\u9396\uff09"},"content":{"rendered":"<h1 id=\"redis%e4%bd%bf%e7%94%a8%e9%8e%96%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e5%ae%89%e5%85%a8%e6%80%a7%e5%97%8e%ef%bc%88redis-%e9%9c%80%e8%a6%81%e9%8e%96%ef%bc%89-BwXZlJWMRO\">Redis\u4f7f\u7528\u9396\u63d0\u9ad8\u6578\u64da\u5b89\u5168\u6027\u55ce\uff08Redis \u9700\u8981\u9396\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u4e00\u81f4\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u7136\u800c\uff0c\u7576\u591a\u500b\u5ba2\u6236\u7aef\u540c\u6642\u8a2a\u554f\u548c\u4fee\u6539\u6578\u64da\u6642\uff0c\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b89\u5168\u6027\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u9019\u6642\uff0c\u9396\u7684\u4f7f\u7528\u4fbf\u6210\u70ba\u4e86\u4e00\u500b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%8e%96%ef%bc%9f-BwXZlJWMRO\">\u4ec0\u9ebc\u662fRedis\u9396\uff1f<\/h2>\n<p>Redis\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u7372\u5f97\u9396\u6642\uff0c\u5176\u4ed6\u5ba2\u6236\u7aef\u5fc5\u9808\u7b49\u5f85\uff0c\u76f4\u5230\u9396\u88ab\u91cb\u653e\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u6578\u64da\u7af6\u722d\u689d\u4ef6\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u662f\u57fa\u65bcSETNX\u547d\u4ee4\u7684\u9396\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be-BwXZlJWMRO\">Redis\u9396\u7684\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Redis\u9396\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>SETNX lock_key unique_lock_value\nEXPIRE lock_key 10\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0cSETNX\u547d\u4ee4\u7528\u65bc\u8a2d\u7f6e\u9396\uff0c\u5982\u679c\u9396\u5df2\u7d93\u5b58\u5728\uff0c\u5247\u8fd4\u56de0\u3002EXPIRE\u547d\u4ee4\u5247\u7528\u65bc\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/p>\n<h3 id=\"%e9%8e%96%e7%9a%84%e9%87%8b%e6%94%be-BwXZlJWMRO\">\u9396\u7684\u91cb\u653e<\/h3>\n<p>\u5728\u4f7f\u7528\u9396\u7684\u904e\u7a0b\u4e2d\uff0c\u91cb\u653e\u9396\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u91cb\u653e\u9396\u7684\u6642\u5019\u9700\u8981\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u9396\u7684\u5ba2\u6236\u7aef\u624d\u80fd\u91cb\u653e\u5b83\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u91cb\u653e\u9396\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>if (GET lock_key == unique_lock_value) {\n    DEL lock_key\n}\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u6aa2\u67e5\u7576\u524d\u5ba2\u6236\u7aef\u662f\u5426\u662f\u9396\u7684\u64c1\u6709\u8005\uff0c\u53ea\u6709\u5728\u78ba\u8a8d\u5f8c\u624d\u6703\u91cb\u653e\u9396\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%84%aa%e7%bc%ba%e9%bb%9e-BwXZlJWMRO\">Redis\u9396\u7684\u512a\u7f3a\u9ede<\/h2>\n<h3 id=\"%e5%84%aa%e9%bb%9e-BwXZlJWMRO\">\u512a\u9ede<\/h3>\n<ul>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u9396\u7684\u5be6\u73fe\u76f8\u5c0d\u7c21\u55ae\uff0c\u6613\u65bc\u7406\u89e3\u548c\u4f7f\u7528\u3002<\/li>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>\u7531\u65bcRedis\u662f\u57fa\u65bc\u5167\u5b58\u7684\u6578\u64da\u5eab\uff0c\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u901f\u5ea6\u975e\u5e38\u5feb\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u696d\u52d9\u9700\u6c42\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u6b7b\u9396\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%bc%ba%e9%bb%9e-BwXZlJWMRO\">\u7f3a\u9ede<\/h3>\n<ul>\n<li><strong>\u4e0d\u53ef\u9760\u6027\uff1a<\/strong>\u5982\u679c\u5ba2\u6236\u7aef\u5728\u6301\u6709\u9396\u7684\u904e\u7a0b\u4e2d\u5d29\u6f70\uff0c\u9396\u53ef\u80fd\u4e0d\u6703\u88ab\u91cb\u653e\uff0c\u5c0e\u81f4\u5176\u4ed6\u5ba2\u6236\u7aef\u7121\u6cd5\u7372\u53d6\u9396\u3002<\/li>\n<li><strong>\u8907\u96dc\u6027\uff1a<\/strong>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u7ba1\u7406\u53ef\u80fd\u8b8a\u5f97\u8907\u96dc\uff0c\u9700\u8981\u984d\u5916\u7684\u8655\u7406\u908f\u8f2f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-BwXZlJWMRO\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0cRedis\u9396\u5728\u63d0\u9ad8\u6578\u64da\u5b89\u5168\u6027\u548c\u4e00\u81f4\u6027\u65b9\u9762\u5177\u6709\u91cd\u8981\u4f5c\u7528\u3002\u96d6\u7136\u5b83\u6709\u4e00\u4e9b\u7f3a\u9ede\uff0c\u4f46\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u591a\u5ba2\u6236\u7aef\u8a2a\u554f\u5e36\u4f86\u7684\u554f\u984c\u3002\u5728\u9078\u64c7\u4f7f\u7528Redis\u9396\u6642\uff0c\u958b\u767c\u8005\u9700\u8981\u6839\u64da\u5177\u9ad4\u7684\u696d\u52d9\u9700\u6c42\u548c\u7cfb\u7d71\u67b6\u69cb\u4f86\u9032\u884c\u8a55\u4f30\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5982\u4f55\u5229\u7528\u9396\u6a5f\u5236\u63d0\u9ad8\u6578\u64da\u5b89\u5168\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u9632\u6b62\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-129137","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=129137"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129137\/revisions"}],"predecessor-version":[{"id":129138,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129137\/revisions\/129138"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}